Question 21
Which command is used to check whether a file system is mounted using the support account for N8500 V200R001?
A. cfsmntadm display
B. cfsmountadm display
C. cfsmntadm show
D. cfsmountadm show
Question 22
A 2-node N8500 clustered NAS engine is a 4 U enclosure. The heartbeat links between the two nodes are set up based on the internal PCIe channels.
A. TRUE
B. FALSE
Question 23
In an N8500 system, if an engine node is faulty and the other components are in the normal state, the consequences do not include which of the following?
A. The N8500 cannot be managed.
B. LUNs on the storage units become unavailable.
C. Service performance deteriorates.
D. The NFS file sharing service becomes abnormal.
Question 24
In an N8500 clustered NAS system, the engine enclosures exchange cluster control information over a Fibre Channel heartbeat network.
A. TRUE
B. FALSE
Question 25
Scale-out is a horizontal expansion architecture that addresses the needs and challenges caused by rapid data growth and complex data changes. The scale-out architecture features distributed processing, online expansion, data sharing, and clustering.
A. TRUE
B. FALSE
Question 26
Which of the following statements about the system services of the OceanStor 9000 are correct? (Select 2 answers)
A. The MDS service manages the metadata of a file system.
B. The DS service stores file data but not metadata on the storage system.
C. The CMS service manages physical nodes in a cluster.
D. In an OceanStor 9000 storage system, some nodes provide the MDS service and some nodes provide the DS service.
Question 27
You can check VCS cluster logs by viewing the Engine_A.log file in the /var/VRTSvcs/log directory on an N8500 storage system.
A. TRUE
B. FALSE
Question 28
Multiple users access a multimedia VOD application at different bit rates. Which prefetch policy should be selected for the LUNs on the background N8500 clustered NAS storage system?
A. No prefetch
B. Constant prefetch
C. Intelligent prefetch
D. Variable prefetch
